Ink cartridge



FIG. 1, is a front, top and right side perspective view of an inkcartridge which incorporates the new design;

FIG. 2, is a rear, bottom, left side perspective view thereof;

FIG. 3, is a front view thereof;

FIG. 4, is a rear side view thereof;

FIG. 5, is a top view thereof;

FIG. 6, is a bottom view thereof;

FIG. 7, is a right side view thereof; and,

FIG. 8, is a left side view thereof.

The ornamental design for an ink cartridge, as shown and described.